definitions of cement and agreegate and sand

SKY has a full coverage of coarse crushing, intermediate crushing, fine crushing and sand-making, sand-washing, feeding, sieving, conveying equipment and mobile crushing and sieving equipment. We make each machine with great care to forge excellent quality.

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Aggregate definition and meaning | Collins English Dictionary

Aggregate definition: An aggregate amount or score is made up of several , the whole amount; material such as sand or gravel used with cement and water to make .